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Fluke 721 — Precision dual-sensor pressure calibrators

Fluke 721 — Precision dual-sensor pressure calibrators

Fluke 721 uses two isolated pressure sensors to check gas custody-transfer instruments. The low-pressure P1 sensor has a 16 or 36 psi upper limit; P2 offers seven upper limits from 100 to 5000 psi. Pressure, mA and temperature from an optional 720RTD probe can be observed together.
  • P1, 16xx versions: −14…+16 psi
  • P1, 36xx versions: −14…+36 psi
  • P2, xx01 versions: −12…+100 psi
  • P2, xx03 versions: −12…+300 psi
  • P2, xx05 versions: −12…+500 psi
  • Availability: On order
  • Manufacturer: Fluke
  • SKU: 01171
Price: on request
SpecificationsDescription

Description

Fluke 721 uses two isolated pressure sensors to check gas custody-transfer instruments. The low-pressure P1 sensor has a 16 or 36 psi upper limit; P2 offers seven upper limits from 100 to 5000 psi. Pressure, mA and temperature from an optional 720RTD probe can be observed together. A 24 V loop supply supports transmitter checks, while a 30 V DC input checks external supplies. The instrument stores five setups and tests switches on both pressure inputs. Select an external pump, RTD probe and optional 750P modules separately.

Specifications

P1, 16xx versions
−14…+16 psi
P1, 36xx versions
−14…+36 psi
P2, xx01 versions
−12…+100 psi
P2, xx03 versions
−12…+300 psi
P2, xx05 versions
−12…+500 psi
P2, xx10 versions
0…1000 psi
P2, xx15 versions
0…1500 psi
P2, xx30 versions
0…3000 psi
P2, xx50 versions
0…5000 psi
Pressure sensors
2 isolated stainless-steel sensors
Pressure accuracy, 1 year
P1 and P2 ≤3000 psi: ±0.025% FS; P2 5000 psi: ±0.035% FS
mA measurement input
0…24 mA DC; 0.001 mA
mA accuracy
±(0.015% of reading + 0.002 mA)
RTD temperature input
Pt100; −40…+150 °C; 720RTD probe ordered separately
Combined uncertainty with 720RTD
±0.25 °C
Display
Large backlit graphic display; 3 inputs simultaneously
Pressure switch test
On both pressure inputs
Setup memory
5 instrument setups
Pressure connections
2 × 1/8″ NPT
Pressure source
External; no built-in pump
Ingress protection
IP40
Operating temperature
−10…+50 °C
Power supply
4 × AA
Dimensions
200 × 110 × 58 mm
Range selection
16xx or 36xx selects P1; the final 2 digits select P2
DC voltage measurement
0…30 V; 0.001 V
Loop power
24 V DC; 24 mA
External modules
Compatible Fluke 750P modules; ordered separately

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